Table 1.

Summary of data collection methods

Data collection method	Timing of data collection	Design	Participants	Tools/measures	Analysis strategy
1. Face‐to face interview	3‐6 months post‐birth	Researcher conducted audio‐recorded interview with participant in her home	20 women from HCS arms 10 women from control arms	Semi‐structured discussion guide   Coding frame	Thematic analysis of transcripts using NVivo to manage data. RQ1, RQ2, and RQ3
2. Focus group	October 2015	Moderated/observed by researchers independent of the study team; audio‐recorded discussion	One focus group with four HCS midwives/nurses	Semi‐structured discussion guide	Thematic analysis approach used to identify over‐arching topics. RQ1, RQ2, and RQ3
3. Case report	14, 19, 26, and 34 weeks of gestation and 1 month post‐birth	Midwife/nurse completed two‐page report focused on SMARTER goal setting based on the healthy conversation at each of the five time points	All 20 women interviewed from HCS arms	Case report template   HCS competency coding rubric	Content analysis of topics discussed and goals set at the five time points. RQ2
4. Telephone interview	26 weeks of gestation	Research midwife/nurse conducted audio‐recorded telephone interview with participant	17/20 women interviewed from HCS arms (three failed recordings)	Brief introductory script   HCS competency coding rubric	Quantitative analysis: Mean HCS competency scores from each midwife/nurse were calculated. RQ2

Abbreviations: HCS, Healthy Conversation Skills; RQ, research question.